After a week of speculation, it turns out that Ezra Klein, the prolific creator of The Washington Post’s Wonkblog, will be going to Vox Media, the online home of SB Nation, a sports site, and The Verge, a fast-growing technology site.

His change of address could be read as the latest parable of Old Media cluelessness — allowing a journalism asset to escape who will come back to haunt them — or as another instance of a star journalist cashing in on name-brand success. But it’s more complicated than that.